33 lines
497 B
C
33 lines
497 B
C
#include <stdlib.h>
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#include <stdio.h>
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#include <math.h>
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int main(void)
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{
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printf("%f\n", 0.0);
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float x = 1.0, y = 1.0;
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char xb[20], yb[20];
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for(int i=0; i<40; i++)
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{
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ftoa(x, xb); float xr = atof(xb);
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ftoa(y, yb); float yr = atof(yb);
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printf("%20g (%s) %20g : %20g (%s) %20g : %10f %10f \n", x, xb, xr, y, yb, y, fabs(x - xr) / x, fabs(y - yr) / y);
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if (fabs(x - xr) / x > 0.00001 || fabs(y - yr) / y > 0.00001)
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return -1;
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x *= 2.5;
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y *= 0.8;
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}
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return 0;
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}
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